Defense systems in general

Defense systems are buildings which can be deployed by countries on a specified region to aid it`s defense in battles. They increase the damage done by defenders in battles from 5% up to 25%, depending on it`s quality.
Defense systems are produced in defense system companies from stone.
Buying defense systems
If you do not have the means of producing your own defense systems (i.e. by owning a defense system company), you can buy them on the product market.
Simply follow these steps:Market » Product Market » Select the image of green shield » Choose the quality and click on "View offers" » Buy the required amount
Using defense systems
Defense systems are not permanent. After defenders lose a round with a defense systems in it, the defense system will be destroyed. All defense systems will be destroyed after the defenders lose a battle. Defenders do not lose a defense system if they win the battle, or if they are attacking.
Note that ordinary citizens have no use of defense systems.
Raw and productivity requirements
Quality | Stone units required | Productivity required | Additional damage gained by defenders |
---|---|---|---|
Q1 | 300 | 300 | 5% |
Q2 | 600 | 600 | 10% |
Q3 | 900 | 900 | 15% |
Q4 | 1200 | 1200 | 20% |
Q5 | 1500 | 1500 | 25% |